489780259208 has 8 divisors (see below), whose sum is σ = 918337986030. Its totient is φ = 244890129600.

The previous prime is 489780259207. The next prime is 489780259247. The reversal of 489780259208 is 802952087984.

It can be written as a sum of positive squares in only one way, i.e., 471587105284 + 18193153924 = 686722^2 + 134882^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (489780259207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30611266193 + ... + 30611266208.

Almost surely, 2^489780259208 is an apocalyptic number.

It is an amenable number.

489780259208 is a deficient number, since it is larger than the sum of its proper divisors (428557726822).

489780259208 is a wasteful number, since it uses less digits than its factorization.

489780259208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61222532407 (or 61222532403 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 62.

The spelling of 489780259208 in words is "four hundred eighty-nine billion, seven hundred eighty million, two hundred fifty-nine thousand, two hundred eight".